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CYCLIC NOISE EXPOSURE MEASUREMENTS AND COMPUTATION
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acoustic energy acoustical treatment aluminum extrusions anechoic chamber basic plate bladeguard Chapter circular saw clamping coincidence frequency constrained layer cut-off saw cutting forces cutting noise cyclic damped beam damping layer damping material damping pressure dB(lin effect equivalent sound pressure excitation frequency farfield Figure flexural rigidity flexural velocity flexural wave Gandalf given Hankel transform I-beam impact force inch machine modal modulus noise radiation noise reduction noise sources obtained operating cycle optimum oscilloscope OSHA peak sound plate flexure plot polystyrene pressure waves radiant sound power radiated sound pressure radiation efficiencies reduce resonant response result saw blade sawing noise sawing of aluminum shear parameter shown in Fig sound barriers sound energy sound level meter sound power sound pressure level sound pressure radiated sound radiation surface damping thesis thickness vibratory noise viscoelastic wave numbers wavelength workpart enclosure